(function() {
'use strict';

var s = new ShardingTest({ name: "version2", shards: 1 });

assert.commandWorked(s.s0.adminCommand({ enablesharding: "alleyinsider" }));
assert.commandWorked(s.s0.adminCommand({ shardcollection: "alleyinsider.foo", key: { num: 1 } }));
assert.commandWorked(s.s0.adminCommand({ shardcollection: "alleyinsider.bar", key: { num: 1 } }));

var a = s._connections[0].getDB("admin");

// Setup from one client
assert.eq(a.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).mine.i, 0);
assert.eq(a.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).global.i, 0);

var fooEpoch = s.getDB('config').chunks.findOne({ ns: 'alleyinsider.foo' }).lastmodEpoch;
assert.commandWorked(
    a.runCommand({
        setShardVersion: "alleyinsider.foo",
        configdb: s._configDB,
        authoritative: true,
        version: new Timestamp(1, 0),
        versionEpoch: fooEpoch,
        shard: "shard0000",
        shardHost: s.s.host,
    }));

printjson(s.config.chunks.findOne());

assert.eq(a.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).mine.t, 1);
assert.eq(a.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).global.t, 1);

// From a different client
var a2 = connect(s._connections[0].name + "/admin");

assert.eq(a2.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).global.t, 1, "a2 global 1");
assert.eq(a2.runCommand({ "getShardVersion": "alleyinsider.foo", configdb: s._configDB }).mine.i, 0, "a2 mine 1");

function simpleFindOne(){
    return a2.getMongo().getDB("alleyinsider").foo.findOne();
}

var barEpoch = s.getDB('config').chunks.findOne({ ns: 'alleyinsider.bar' }).lastmodEpoch;
assert.commandWorked(a2.runCommand({ setShardVersion: "alleyinsider.bar",
                                      configdb: s._configDB,
                                      version: new Timestamp(1, 0),
                                      versionEpoch: barEpoch,
                                      shard: 'shard0000',
                                      authoritative: true }),
                      "setShardVersion bar temp");

assert.throws(simpleFindOne, [], "should complain about not in sharded mode 1");


// the only way that setSharVersion passes is if the shard agrees with the version
// the shard takes its version from config directly
// TODO bump timestamps in config
// assert(a2.runCommand({ "setShardVersion": "alleyinsider.foo", configdb: s._configDB, version: 2 }).ok == 1, "setShardVersion a2-1");

// simpleFindOne(); // now should run ok

// assert(a2.runCommand({ "setShardVersion": "alleyinsider.foo", configdb: s._configDB, version: 3 }).ok == 1, "setShardVersion a2-2");

// simpleFindOne(); // newer version is ok

s.stop();

})();
